#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve()
{
    int l,r;
    cin>>l>>r;
    if(r==l)cout<<1<<endl;
    else cout<<2<<endl;
}
signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int T=1;
    //cin>>T;
    while(T--)
    {
       solve();
    }
    return 0;
}